Home / 166,771.92-230,145.40-90,291.08

Finding the Fourth Proportional to 166,771.92, 230,145.40 and 90,291.08

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Solution

The fourth proportional to 166,771.92, 230,145.40 and 90,291.08 is: 124,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,771.92 : 230,145.40 = 90,291.08 : x
  2. Step 2: Convert to fraction form
    166,771.92/230,145.40 = 90,291.08/x
  3. Step 3: Cross multiply
    166,771.92x = 230,145.40 × 90,291.08
  4. Step 4: Simplify right side
    166,771.92x = 20,780,076,723.03
  5. Step 5: Solve for x
    x = 20,780,076,723.03/166,771.92
  6. Step 6: Final answer
    x = 124,601.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.